Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

Calendar
Upcoming Events

BugGuide is a National Moth Week Partner. How to add your National Moth Week 2021 photos. July 17-25.

Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

National Moth Week 2020 photos of insects and people.

Photos of insects and people from the 2019 BugGuide Gathering in Louisiana, July 25-27

Discussion, insects and people from the 2018 gathering in Virginia, July 27-29

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Photos of insects and people from the 2014 gathering in Virginia, June 4-7.

Photos of insects and people from the 2013 gathering in Arizona, July 25-28

Previous events


TaxonomyBrowse
Info
ImagesLinksBooksData

Species Rhantus gutticollis

龍蝨科  - Rhantus gutticollis Rhantus gutticollis (Say) - Rhantus gutticollis Desert Beetle  - Rhantus gutticollis 9019422 Rhantus - Rhantus gutticollis Dytiscid - Rhantus gutticollis Water Far Away - Rhantus gutticollis Dytiscid - Rhantus gutticollis Predaceous Diving Beetle - Rhantus gutticollis
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Adephaga (Ground and Water Beetles)
Family Dytiscidae (Predaceous Diving Beetles)
Subfamily Colymbetinae
Tribe Colymbetini
Genus Rhantus
Species gutticollis (Rhantus gutticollis)
Explanation of Names
Rhantus gutticollis (Say 1834)
Size
9.8-12.7 mm(1)
Identification
Detail from this image: "Diagnostic characters include the pair of medial pronotal spots and the black colouration of the head narrowly encircling around the eyes (in the similar R. binotatus, the black colouration does not encircle the eyes). R. gutticollis is found mainly in streams and is primarily a western species."
Range
w NA (BC-CA to SD-TX & Mexico)(1)
Habitat
in quiet areas of small, clear streams(1)